Sleep-Energy: An Energy Optimization Method to Sleep Stage Scoring.
Bruno Aristimunha1,2, Alexandre Janoni Bayerlein1, M Jorge Cardoso2
1Center for Mathematics, Computing and Cognition (CMCC)Federal University of ABC (UFABC) São Paulo 09210-580 Brazil.
IEEE Access : Practical Innovations, Open Solutions
|January 31, 2024
Summary
This study introduces an energy optimization method to enhance automatic sleep staging accuracy. The novel approach improves hypnogram quality, making sleep disorder diagnosis more reliable and efficient.
Area of Science:
- Neuroscience
- Computer Science
- Biomedical Engineering
Background:
- Sleep is crucial for overall health, but diagnosing sleep disorders via Polysomnography (PSG) is resource-intensive.
- Current Machine Learning (ML) sleep staging methods often produce noisy predictions, differing from standard hypnograms.
Purpose of the Study:
- To develop an energy optimization technique for refining ML-based automatic sleep staging.
- To enhance the accuracy and clinical compatibility of automated sleep hypnograms.
Main Methods:
- An energy optimization method was proposed, evaluating system energy via conditional probabilities for each sleep stage epoch.
- The technique employs an energy minimization procedure, acting as a meta-optimization layer for sequence predictions.
Main Results:
- The energy optimization method significantly improved the accuracy of advanced Deep Learning models.
- Accuracy gains of 4.0% on the Sleep EDFx dataset and 2.8% on the DRM-SUB dataset were achieved.
Conclusions:
- The proposed energy optimization method effectively enhances the quality of automatically generated sleep hypnograms.
- This approach offers a viable solution to improve the reliability of ML-based sleep disorder diagnosis.
Related Concept Videos
01:22Stages of Sleep
193
Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
193
01:24Sleep-Wake Cycles
1.3K
Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
1.3K
01:19Management of Insomnia
250
The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
250
01:13Insufficient Sleep and Sleep Deprivation
144
Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
Sleep deprivation is a more severe form of sleep loss...
144